If the vehicle is hard to start after setting overnight, the problem could be the fuel pressure regulator has failed and is allowing the fuel pressure to bleed off. A failed fuel pressure regulator will should be replaced.
Resources for the Repair and Maintenance of your 2002 Nissan Sentra
2002 Nissan Sentra
2002 Nissan Sentra Problems
The engine may stall at times due to a failed crankshaft position sensor and/or camshaft position sensor, These sensors can fail intermittently as they warm with the engine. Sensors on certain models have been recalled by Nissan and will be replaced as necessary. Please visit our recall section for this model to see if your vehicle is covered by this recall.
The electronic throttle actuator (throttle body) can fail causing a loss of power and illumination of the Check Engine Light.
The mass air flow (MAF) sensor can fail, causing various drivability problems. Our technicians remind us that proper diagnoses should be performed to confirm the cause of any driveability concerns.
The catalytic converter closest to the cylinder head can fail causing illumination of the Check Engine Light. Prompt repair of this problem is recommended because the catalyst material can be sucked into the engine and cause internal damage.
2002 Nissan Sentra Recalls (Recent)
Summary: ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH THE QG18DE ENGINE OR QR25DE ENGINES, THE FOAM MATERIAL USED FOR THE INTERIOR LINING OF THE ELECTRONIC CONTROL MODULE (ECM) BOX EMITS SULFUR AS IT CURES.Learn more »
RepairPal Expert Overview:
On certain passenger vehicles equipped with a 2.5L engineThe crankshaft position sensor can overheat causing a brief interrupion in the signal output. If the interupption of the signal is so brief that the ECM Electronic Control Module dose not have time to diagnose the condition, the vehicle may shut off creating the risk of an accident. The dealer will reprogram the ECM free of charge. The Nissan recall # is R0606
Summary: ON CERTAIN ELECTRIC VEHICLES, THE FRONT SUSPENSION TRANSVERSE LINK¿S BALL JOINT BRACKET MAY BREAK FROM STRESS CONCENTRATION AT A NOTCH CREATED BY SURFACE ROUGHNESS AND THE SHAPE OF THE MATERIAL CUT-LINE.Learn more »
RepairPal Expert Overview:
The circuit board for the crank position sensor and cam position sensor may have improper solder joints. This could cause the Service Engine Soon lamp to come on, the engine may not start, you could experience reduced power, or the engine may stall without warning, which could result in a crash. Dealers will replace the the crank position sensor, cam position sensors, and in some cases, the variable timing control sensors. The recall began on December 22, 2003. The Nissan recall number is R2022 and the Infiniti recall number is R3021.
2002 Nissan Sentra Questions and Answers
i have already replaced the air flow mass censor. my car is still not running right. i can push the gas pedal down and it will not go anywhere. the rpm's go crazy. please help if you can
I would like to know if this car has a fuel filter or some type of fuel screen? if so where would it be located at? thanks for your help
sometimes push in clutch hear a noise and some elctrical quit. Fan, Heater. Intermittent
At start: rough idle for 3 seconds, and coolant odor from exhaust. Had "check engine" light but it went away. Runs normally but twice I had to crank it until almost draining battery.
2002 Nissan Sentra Reviews
2002 Nissan Sentra GXE guage on dashboard shows engine running hot, it'll then go back to normal, then hot, a continous cycle. I have changed the thermastat but the problem still exists. What am I missing or what do I need to do? I have not noticed any visible signs of coolant leakage as well.
just bought this 2002 ser from the dealer, engine knocks on acceleration. dealer knows , wants to see the car, but i refuse to be dupped again. the warrantee is currant but the agency does not cover the existing problem.
The only problem I had with this car was the alternator.
Breaks are lousy